.glass-card {
    color: rgba(255, 255, 255, 0.8);
    z-index: 10;
    font-family: sans-serif;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    border-left: 1px solid rgba(255, 255, 255, 0.4);
    background: linear-gradient(to top right,
            rgba(90, 149, 207, 0.5),
            rgba(58, 76, 99, 0.8));
    box-shadow: 10px -10px 20px rgba(0, 0, 0, 0.2),
        -10px 10px 20px rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    /*  元素后面区域添加模糊效果 */
    border-radius: 20px;
}